An unassuming little fern has left scientists scratching their heads at the feat of reproductive hijinks it apparently represents. The fern, xCystocarpium roskamianum(the prefix ‘x’ indicates it is a hybrid), collected in the French Pyrenees, appeared to be a blend of two ferns they know well.

These small, aggressive crocodiles once dominated their habitats. That is no longer the case. Species name: Cuban crocodile (Crocodylus rhombifer) Where found: The Cuban crocodile once existed on quite a few Caribbean islands.

These small, aggressive crocodiles once dominated their habitats. That is no longer the case. Species name: Cuban crocodile (Crocodylus rhombifer) Where found: The Cuban crocodile once existed on quite a few Caribbean islands.

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